Features:

Light detection and brightness detection
Detection can be adjusted via potentiometer brightness valve point comes relays
and do all kinds of brightness detection switch
You can control all kinds of street lights automatically turn on at night， during the day and automatically turns off and car supplies control and automation equipment.

Specifications:
Power supply: 24v 2A
Size: approx. 3.5*2.5cm 

Package Included:
1x Module